/*
 * Copyright 2011 SpringSource.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package grails.web.context;

import grails.util.Holder;
import org.grails.web.servlet.mvc.GrailsWebRequest;

import javax.servlet.ServletContext;

/**
 * @author Burt Beckwith
 * @since 2.0
 */
public class WebRequestServletHolder extends Holder<ServletContext> {

    public WebRequestServletHolder() {
        super("ServletContext");
    }

    @Override
    protected ServletContext lookupSecondary() {
        GrailsWebRequest webRequest = GrailsWebRequest.lookup();
        return webRequest == null ? null : webRequest.getServletContext();
    }
}